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A parachutist jumps from a balloon at the edge of space (therefore there is no air resistance). The height the parachutist jumps from rest at is 35,000 meter above the ground. Find what is the speed of the parachutist by the time the parachutist gets down to an elevation of 10,000 meter above the ground? Neglect air resistance at these high altitudes.
Suppose he hits the ball with a speed of 29 m/s at an angle of 26° above the horizontal. Explain how long was the ball in flight? How far did it travel?
a 30-m-long rocket train car is traveling from los angeles to newyork at 0.5c when a light at the center of the car
a light spring whose unstretched length is 2.0 cm. You're going to use this spring to measure charge. First, you attach one end of the spring to the ceiling, What is the charge on the ball
A pipe fitted with air at 20oC produces two successive harmonics at 240 Hertz and 280 Hertz. Find how long is the pipe and is it open or closed
A light beam is incident on a piece of sodium chloride (n = 1.544) at the Brewster's angle. Find the angle of refraction for the transmitted ray
PSI (x) is the wave function for a particle moving along the x axis. Write the mathematical that will allow us to calculate the probability that the particle is detected in the inteval X=A to X=B
two 18.5 kg ice sleds that are placed a short distance apart, one directly behind the other. What are the final speeds of the two sleds
A man tries to determine the distance to an island offshore by using his knowledge of physics and wave motion. how far away is the island
The potential energy of the strong interaction between two quarks has the approximate form V(r)=br, where b is some constant. Assume that we have a light quark of mass m interacting with a very massive quark. using the same basic approach that we use..
What is the average magnitude of the Poynting vector 8.50 mi from a radio transmitter broadcasting is otropically (equally in all directions) with an average power of 260 kW?
A simple harmonic oscillator takes 12.0 s to undergo six complete vibrations.
question1a 350 piano slides 3.4 down a 34 incline and is kept from accelerating by a man who is pushing back on it
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